Modification of polymeric substrates using dense or liquified gases

Title: Modification of polymeric substrates using dense or liquified gases

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Abstract

A method of modifying a polymeric substrate, such as polyethylene terephthalate and nylon 66, imparts water repellency and lubricity, and provides the additional benefit of reducing the soiling of fabrics. The method includes combining the polymeric substrate with a dense or liquified gas, such as carbon dioxide or sulfur hexafluoride, and a fluorinated compound, such as a fluorinated polyether.

Inventors:: Sawan, Samuel P.; Spall, W. Dale; Lee, Hung Chang

Issue Date:: 1999-10-19

Research Org.:: Univ. of Massachusetts, Lowell, MA (United States)

Sponsoring Org.:: USDOE

OSTI Identifier:: 1531427

Patent Number(s):: 5968654

Application Number:: 08/713,156

Assignee:: University of Massachusetts Lowell (Lowell, MA)

Patent Classifications (CPCs):: B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL

D - TEXTILES D06 - TREATMENT OF TEXTILES OR THE LIKE D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS

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B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
B05D2401/90 - at least one component of the composition being in supercritical state or close to supercritical state

D - TEXTILES D06 - TREATMENT OF TEXTILES OR THE LIKE D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
D06M15/53 - Polyethers

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/3154 - Of fluorinated addition polymer from unsaturated monomers

B - PERFORMING OPERATIONS B05 - SPRAYING OR ATOMISING IN GENERAL B05D - PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL
B05D7/02 - to macromolecular substances, e.g. rubber

D - TEXTILES D06 - TREATMENT OF TEXTILES OR THE LIKE D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
D06M2101/32 - Polyesters
D06M23/105 - {Processes in which the solvent is in a supercritical state}

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/31743 - Next to addition polymer from unsaturated monomer[s]
Y10T428/31536 - Including interfacial reaction product of adjacent layers
Y10T428/31746 - Polymer of monoethylenically unsaturated hydrocarbon

C - CHEMISTRY C08 - ORGANIC MACROMOLECULAR COMPOUNDS C08J - WORKING-UP
C08J7/126 - {Halogenation}

D - TEXTILES D06 - TREATMENT OF TEXTILES OR THE LIKE D06M - TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
D06M15/256 - containing fluorine
D06M2101/34 - Polyamides

Y - NEW / CROSS SECTIONAL TECHNOLOGIES Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC Y10T - TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
Y10T428/31797 - Next to addition polymer from unsaturated monomers

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Resource Type:: Patent

Resource Relation:: Patent File Date: 1996-09-12

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats


                    Sawan, Samuel P., Spall, W. Dale, and Lee, Hung Chang. Modification of polymeric substrates using dense or liquified gases.  United States: N. p., 1999. 
        Web.

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                    Sawan, Samuel P., Spall, W. Dale, & Lee, Hung Chang. Modification of polymeric substrates using dense or liquified gases.  United States.

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                    Sawan, Samuel P., Spall, W. Dale, and Lee, Hung Chang. Tue .  
        "Modification of polymeric substrates using dense or liquified gases".  United States.  https://www.osti.gov/servlets/purl/1531427.

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@article{osti_1531427,

  title        = {Modification of polymeric substrates using dense or liquified gases},

  author       = {Sawan, Samuel P. and Spall, W. Dale and Lee, Hung Chang},

  abstractNote = {A method of modifying a polymeric substrate, such as polyethylene terephthalate and nylon 66, imparts water repellency and lubricity, and provides the additional benefit of reducing the soiling of fabrics. The method includes combining the polymeric substrate with a dense or liquified gas, such as carbon dioxide or sulfur hexafluoride, and a fluorinated compound, such as a fluorinated polyether.},

  doi          = {},

  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1999},

  month        = {10}

}

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